package com.zito.health.core.util;

import org.apache.commons.codec.DecoderException;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.lang3.StringEscapeUtils;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;

/**
 * @description:
 * @author: gxt
 * @time: 2019/10/12 10:50
 */
public class EncodesUtil {

    private static final String DEFAULT_URL_ENCODING = "UTF-8";
    private static final char[] BASE62 = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".toCharArray();

    /**
     * Hex编码.
     */
    public static String encodeHex(byte[] input) {
        return new String(Hex.encodeHex(input));
    }

    /**
     * Hex解码.
     */
    public static byte[] decodeHex(String input) {
        try {
            return Hex.decodeHex(input.toCharArray());
        } catch (DecoderException e) {
            throw Exceptions.unchecked(e);
        }
    }

    /**
     * Base64编码.
     */
    public static String encodeBase64(byte[] input) {
        String str = null;
        try {
            str = new String(Base64.encodeBase64(input),"UTF-8");
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return str;
    }

    /**
     * Base64编码.
     */
    public static String encodeBase64(String input) {
        String str = null;
        try {
            str = new String(Base64.encodeBase64(input.getBytes(DEFAULT_URL_ENCODING)),"UTF-8");
        } catch (UnsupportedEncodingException e) {
            return "";
        }
        return str;
    }

//	/**
//	 * Base64编码, URL安全(将Base64中的URL非法字符'+'和'/'转为'-'和'_', 见RFC3548).
//	 */
//	public static String encodeUrlSafeBase64(byte[] input) {
//		return Base64.encodeBase64URLSafe(input);
//	}

    /**
     * Base64解码.
     */
    public static byte[] decodeBase64(String input) {
        byte[] bytes = new byte[0];
        try {
            bytes = Base64.decodeBase64(input.getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return bytes;
    }

    /**
     * Base64解码.
     */
    public static String decodeBase64String(String input) {
        String str = null;
        try {
            byte[] bytes = Base64.decodeBase64(input.getBytes("UTF-8"));
            str = new String(bytes, DEFAULT_URL_ENCODING);
        } catch (UnsupportedEncodingException e) {
            return "";
        }
        return str;
    }

    /**
     * Base62编码。
     */
    public static String encodeBase62(byte[] input) {
        char[] chars = new char[input.length];
        for (int i = 0; i < input.length; i++) {
            chars[i] = BASE62[((input[i] & 0xFF) % BASE62.length)];
        }
        return new String(chars);
    }

    /**
     * Html 转码.
     */
    public static String escapeHtml(String html) {
        return StringEscapeUtils.escapeHtml4(html);
    }

    /**
     * Html 解码.
     */
    public static String unescapeHtml(String htmlEscaped) {
        return StringEscapeUtils.unescapeHtml4(htmlEscaped);
    }

    /**
     * Xml 转码.
     */
    public static String escapeXml(String xml) {
        return StringEscapeUtils.escapeXml10(xml);
    }

    /**
     * Xml 解码.
     */
    public static String unescapeXml(String xmlEscaped) {
        return StringEscapeUtils.unescapeXml(xmlEscaped);
    }

    /**
     * URL 编码, Encode默认为UTF-8.
     */
    public static String urlEncode(String part) {
        try {
            return URLEncoder.encode(part, DEFAULT_URL_ENCODING);
        } catch (UnsupportedEncodingException e) {
            throw Exceptions.unchecked(e);
        }
    }

    /**
     * URL 解码, Encode默认为UTF-8.
     */
    public static String urlDecode(String part) {

        try {
            return URLDecoder.decode(part, DEFAULT_URL_ENCODING);
        } catch (UnsupportedEncodingException e) {
            throw Exceptions.unchecked(e);
        }
    }

    public static void main(String[] args) {
        System.out.println(unescapeHtml("你好"));
        System.out.println(unescapeHtml("{&quot;6&quot;:&quot;购买方式&quot;,&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;6&quot;:&quot;购买方式&quot;,&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}{&quot;5&quot;:&quot;容量&quot;,&quot;4&quot;:&quot;版本&quot;,&quot;3&quot;:&quot;屏幕尺寸&quot;,&quot;1&quot;:&quot;颜色&quot;}"));
    }

}
